Manning EC-FX-NH3 Gas Detector

Overview

Now one tough sensor can work in three harsh environments. With the stability you can count and low cost you want, the EC-FX-NH3 is the new gold standard in ammonia detection.

Key features

Responds quickly to ammonia concentrations in low parts per million (PPM)
Rugged construction for long-term reliability
ATMOSTM Technology for environmental flexibility

Applications

Confined space entry
Oil, gas and petrochemical
Wastewater and sewage
Steel and chemical plants

Standards and certification

Supplier: ISO 9001:2015 certified

WEIGHT RANGE3 lbs

MATERIALStainless Steel

PRODUCT DATASHEETDoc. SSLS/DS/GD-054 · Rev. 01 · 13-Oct-2026

Manning EC-FX-NH3 Gas Detector – technical data

Technical specifications

Brand	Honeywell
Warranty	3 Years from Date of Shipment
Display Type	LCD
Display Included	Yes
Relay Included	Yes
Sensors Included	1
Wireless Technology	ATMOS™ Technology
Visual Indicators	LED Indicator
Replacement Parts	Ammonia (NH3) Cell
Repeatability	<10% Full Scale
Weight range	3 lbs
Humidity Range	5 to 100% RH (Condensing)
Number of Analog Outputs	1
Analog Output Signal Type	mA
Display Matrix	Alpha Numeric
Accuracy	± 5% Full Scale
Maximum Pressure	10 psig
Gas Type	NH3
Measuring Range	High Range: 0-500 ppm, 0-1000 ppm / Low Range: 0-100 ppm (Standard), 0-200 ppm, 0-250 ppm
Minimum Temperature	-45°C
Storage Temperature	-40 to +49°C
Analog Output Signal Current	4 to 20 mA
Power Requirement	24 VDC
Operating Voltage	24 VDC
Material	Stainless Steel
Enclosure Material	Stainless Steel
Specifications Met	0.125 (ID) x 0.250 (OD)
NEMA Rating	NEMA 1
Ingress Protection	IP44

PRODUCT DATASHEETDoc. SSLS/DS/GD-054 · Rev. 01 · 13-Oct-2026

Manning EC-FX-NH3 Gas Detector – technical data, continued

Technical specifications

Application	Cold Storage / Engine Rooms / Refrigeration Systems
Industry	Energy

Ordering information

Brand	Honeywell

Inspection and care

Keep sensors and filters clean, charge batteries as directed and record bump tests and calibrations.

Storage

Store in a cool, dry place away from direct sunlight, heat and chemicals.

Data given in good faith from manufacturer information and subject to change without notice. Select PPE based on a site risk assessment. Scan the code for the product page.